{standard input}:17065: Error: Insn slot not set in unwind record.

From: kernel test robot
Date: Wed Mar 09 2022 - 17:43:21 EST


Hi Kees,

FYI, the error/warning still remains.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 330f4c53d3c2d8b11d86ec03a964b86dc81452f5
commit: a82adfd5c7cb4b8bb37ef439aed954f9972bb618 hardening: Introduce CONFIG_ZERO_CALL_USED_REGS
date: 8 months ago
config: ia64-randconfig-r013-20220309 (https://download.01.org/0day-ci/archive/20220310/202203100620.iV7ASPnG-lkp@xxxxxxxxx/config)
compiler: ia64-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a82adfd5c7cb4b8bb37ef439aed954f9972bb618
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout a82adfd5c7cb4b8bb37ef439aed954f9972bb618
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=ia64 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

In file included from arch/ia64/include/asm/pgtable.h:153,
from include/linux/pgtable.h:6,
from include/linux/mm.h:33,
from fs/dcache.c:20:
arch/ia64/include/asm/mmu_context.h: In function 'reload_context':
arch/ia64/include/asm/mmu_context.h:127:48: warning: variable 'old_rr4' set but not used [-Wunused-but-set-variable]
127 | unsigned long rr0, rr1, rr2, rr3, rr4, old_rr4;
| ^~~~~~~
{standard input}: Assembler messages:
>> {standard input}:17065: Error: Insn slot not set in unwind record.
{standard input}:17065: Fatal error: Section switching in code is not supported.

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx